Answers and Solution to Electrical/ electronics Work Sheet . ( Electrical Fundamentals)

Q1. Find Color Coding for the following Resistors

1.02 OHM

Brown Black Gold

67 K OHM

Blue, violet, orange

Q2 . Difference between Ammeter and Ohmmeter

Q3. What maximum voltage can be connected to 0.5 w and 270 ohm resistor without exceeding power rating

Q4. The total power supplied to an engine that drives a electric generator is 40.25 kw. If generator gives 15 A , to a 10 ohm load. Find Efficiency

.

Q5. Find Color Coding for the following Resistors

26.3 M Ohm

Not Possible

9.7 Ohm

The colour code is: White Violet Gold

Q6. The resistance of an electronic component changes from 860 Ω to 1.5 K Ohm , when its temperature changes over a certain range. If it is desired to maintain a current of 30 m A , what should be the range of voltage source to connected

Here we have two cases

· Case 1 : When Resistor is 860 Ω

· Case II when Resistor is 1.5 K Ω

Q 7 . Write Down Difference between Ammeter and Voltmeter

Q8. Find the Power Delivered to an electric heater having R =250 with Current of 2.2 Amp?

Q9. Find Color Coding for the following Resistors

1.9 Ohm

The colour code is: Brown White Gold

2.7 M Ohm

The colour code is: Red Violet Green